326164361 has 12 divisors (see below), whose sum is σ = 346171716. Its totient is φ = 307078560.

The previous prime is 326164337. The next prime is 326164367. The reversal of 326164361 is 163461623.

It can be written as a sum of positive squares in 2 ways, for example, as 135862336 + 190302025 = 11656^2 + 13795^2 .

It is not a de Polignac number, because 326164361 - 2¹⁰ = 326163337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326164367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30971 + ... + 40143.

It is an arithmetic number, because the mean of its divisors is an integer number (28847643).

Almost surely, 2^326164361 is an apocalyptic number.

326164361 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

326164361 is a deficient number, since it is larger than the sum of its proper divisors (20007355).

326164361 is an equidigital number, since it uses as much as digits as its factorization.

326164361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9272 (or 9241 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 326164361 is about 18060.0210686477. The cubic root of 326164361 is about 688.3545198580.

The spelling of 326164361 in words is "three hundred twenty-six million, one hundred sixty-four thousand, three hundred sixty-one".